Module 19 Flashcards
Rationale for exposing occlusal films include? Used for viewing ______ areas of MX and MN?
Used to locate ___ / ___ in the ____/_____ direction?
large
objects/pathology
buccal/lingual
What size receptor do you use for adult occlusal films vs. child occlusal films?
4
2
The packet for a size 4 film is how big?
2.5 X 3
Occlusal films are considered _____ radiographs used in conjunction with ______ or _____ films?
supplemental
PA’s
BWX
MN topographical films are great for locating _____ in the ____ gland?
salivary stones
submandibular
The arch/film should be ___ to the floor, with the ____ edge of film towards the area being exposed?
parallel
white
The central ray is approximately _______ vertical angulation through the _____ when taking a adult MX occlusal film?
What is it for a pedo?
+65
eyebrows on the bridge of the nose
+60
What are the 3 MX occlusal projections commonly used?
topographic
lateral (R or L)
Pediatric
The Lateral (R or L) Projection is used to examine the?
palatal roots of MX molars
foreign lesions
What are the 3 MN occlusal projections commonly used?
topographic
cross-sectional
pediatric
The cross-sectional projection on the MN is used to examine?
buccal and lingual aspects of mandible
foreign bodies/ salivary stones
The MX and MN pediatric occlusal film is recommended at what age?
5 or younger
The Maxillary Lateral Projections have a ______ degree vertical angulation and the PID is placed ______?
60
above corner of patients eyebrow
What are the 2 techniques used to locate objects?
buccal object rule
right-angle technique
The buccal object rule follows the ______ rule
SLOB
SLOB stands for?
Same = lingual Opposite = buccal
The PID is directed at a _______ vertical angulation and centered over_______when taking an adult MN topographic occlusal film?
What is it for pedo?
-55
the patients chin
-55
The patients arch should be ______ to the ground when taking a MN cross-sectional film. The PID should be at a _______ vertical angulation and centered approximately _______?
perpendicular
90
1 in below the chin
What supplemental technique to find location of lesions/foreign objects is primarily used on the Mandible?
Right-Angle
If you use too steep of an angulation you will have ____ and ____ images. If you used a less steep vertical angulation you might get ______images
foreshortened
elongated
The impulses used for an occlusal film are the same as when taking ______
bwx
What needs to change when trying to see a submandibular/sublingual sialolith?
decrease impulses by 1/2